Who owns the LEONABIO trademark?

The LEONABIO trademark is owned by LEONABIO, INC..

What class is the LEONABIO trademark registered in?

The LEONABIO trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for LEONABIO?

The USPTO serial number for LEONABIO is 99452284.

What is the registration number for LEONABIO?

LEONABIO is registered under USPTO registration number 0.

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Home Search: LEONABIOLEONABIO #99452284

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Updated Sep 25, 2026·37 searches this week

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LEO

USPTO Trademark Record

PENDING

LEONABIO

SN 99452284·Reg 0·Filed Oct 20, 2025

Owner LEONABIO, INC.

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

LEONABIO (Serial No. 99452284), Registration No. 0, is a pending US trademark filed on Oct 20, 2025 by LEONABIO, INC.. This trademark covers Class 042 (Scientific, technology & SaaS services).

Statement of Use due: May 26, 2027243 days remaining

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Mark Intelligence

LEONABIO (Reg. #0) is a pending US trademark that was filed in 2025 and is currently under USPTO examination. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Oct 20, 2025

SERIAL

99452284

REG#

REGISTERED

Dec 31, 1969

Filing Information

StatusPENDING

Filing DateOct 20, 2025

Serial Number99452284

Registration No.0

Registration DateDec 31, 1969

Status DateJun 04, 2026

Published for OppositionMar 31, 2026

Filing Basis & Declarations

Standard Characters Claimed

International Filings

Madrid Protocol1 filings

This mark has 1 Madrid Protocol filing on record with the USPTO.

1906655

480Jan 21, 2026

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

This description is as filed with the USPTO and defines the scope of trademark protection.

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Status History

14 events

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jun 05, 2026

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Jun 04, 2026

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Jun 04, 2026

SOU EXTENSION 1 FILED

SOU EXTENSION 1 GRANTED

Jun 04, 2026

SOU EXTENSION 1 GRANTED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

May 26, 2026

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 15, 2026

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

PUBLISHED FOR OPPOSITION

Mar 31, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 31, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 25, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Mar 06, 2026

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 06, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 11, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Oct 20, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Oct 20, 2025

APPLICATION FILING RECEIPT MAILED

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